From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2387 invoked by alias); 19 Mar 2008 10:56:40 -0000 Received: (qmail 2378 invoked by uid 22791); 19 Mar 2008 10:56:39 -0000 X-Spam-Check-By: sourceware.org Received: from wf-out-1314.google.com (HELO wf-out-1314.google.com) (209.85.200.169) by sourceware.org (qpsmtpd/0.31) with ESMTP; Wed, 19 Mar 2008 10:56:10 +0000 Received: by wf-out-1314.google.com with SMTP id 28so390912wfc.14 for ; Wed, 19 Mar 2008 03:56:08 -0700 (PDT) Received: by 10.142.180.17 with SMTP id c17mr65163wff.76.1205924168562; Wed, 19 Mar 2008 03:56:08 -0700 (PDT) Received: by 10.142.86.17 with HTTP; Wed, 19 Mar 2008 03:56:08 -0700 (PDT) Message-ID: <84fc9c000803190356p241cf5d5l83a80d13d79c9bfe@mail.gmail.com> Date: Wed, 19 Mar 2008 11:37:00 -0000 From: "Richard Guenther" To: "Jan Hubicka" Subject: Re: Continue stmt branch prediction Cc: "H.J. Lu" , gcc-patches@gcc.gnu.org, dnovillo@google.com In-Reply-To: <20080319105227.GI4732@kam.mff.cuni.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080209194852.GO1026@kam.mff.cuni.cz> <6dc9ffc80803182321n4ccd99belb0fdc3af1e3b6479@mail.gmail.com> <20080319105227.GI4732@kam.mff.cuni.cz> X-IsSubscribed: yes Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org X-SW-Source: 2008-03/txt/msg01135.txt.bz2 On Wed, Mar 19, 2008 at 11:52 AM, Jan Hubicka wrote: > > Hi, > > > > This patch may have caused > > > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35636 > > Yes, the testcase needs adjusting (with PREDICT_EXPR sitting in, there > are no longer perfectly nested loops, but a butterfly CFG). I will look > into it. PREDICT_EXPRs should not cause such effect (I still think they are ugly, but you made your point that BB or edge flags won't work). Richard.